@Test public void listByIds() { List<Product> products = new ArrayList<Product>(); List<String> pids = new ArrayList<String>(); for (int i = 0; i < 5; i++) { Product p = TestUtil.createProduct(owner); productCurator.create(p); products.add(p); pids.add(p.getId()); } // ok get first 3 items to lookup List<Product> returned = productCurator.listAllByIds(owner, pids.subList(0, 3)); assertEquals(3, returned.size()); // verify the first 3 were actually returned, and only those 3. assertTrue(returned.contains(products.get(0))); assertTrue(returned.contains(products.get(1))); assertTrue(returned.contains(products.get(2))); assertFalse(returned.contains(products.get(3))); assertFalse(returned.contains(products.get(4))); }